3516卡死问题

修改3516适配sc533hai，运行一段时间后，内核卡死，板子没有任何反应
串口报错如下：

~ #
~ #
~ # random: crng init done
8<—- cut here —-
Unable to handle kernel paging request at virtual address 42656572
pgd = 0ab3e6a6
[42656572] *pgd=00000000
Internal error: Oops: 5 [#1] SMP THUMB2
Modules linked in: ot_km(O) ot_cipher(O) ot_pm(PO) ot_uvc(PO) ot_aiisp(PO) ot_mipi_rx(O) ot_acodec(PO) ot_adec(PO) ot_aenc(PO) ot_ao(PO) ot_ai(PO) ot_aio(PO) ot_sensor_i2c(O) ot_piris(O) ot_pwm(O) ot_ive(PO) ot_svp_npu(PO) ot_jpege(PO) ot_svac3e(PO) ot_h265e(PO) ot_h264e(PO) ot_venc(PO) ot_rc(PO) ot_chnl(PO) ot_isp(O) ot_vi(PO) ot_vpss(PO) ot_vgs(PO) ot_vpp(PO) ot_rgn(PO) ot_sys(PO) ot_vca(PO) ot_vb(PO) ot_base(PO) ot_mmz(O) ot_osal(O) sys_config(O)
CPU: 0 PID: 0 Comm: swapper/0 Tainted: P O 5.10.221 #1
Hardware name: HI35XX
PC is at chnl_timer_isr+0x4/0x88 [ot_chnl]
LR is at call_timer_fn.constprop.0+0x13/0x54
pc : [] lr : [] psr: 00000133
sp : c0801e18 ip : 00000006 fp : c3f57398
r10: c0727380 r9 : 00000000 r8 : 00000000
r7 : 00000122 r6 : 00000100 r5 : bf88b24d r4 : c0800000
r3 : 42656572 r2 : c1c8a7c0 r1 : bf88b24d r0 : c1c8a7c0
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none
Control: 50c5387d Table: 41e4406a DAC: 00000051
Process swapper/0 (pid: 0, stack limit = 0x753de485)
Stack: (0xc0801e18 to 0xc0802000)
1e00: c1c8a7c0 bf88b24d
1e20: c1c8a7c0 c0801e38 c0800000 bf88b24d 00000100 c0147b43 c1c8a7c0 bf88b24d
1e40: c1c8a7c0 000067d3 c3f57380 c0801e6c 00000000 c014811d 00000003 03830000
1e60: 00000006 00000040 c3f58e00 00000000 00000000 c0112081 cb334543 c0149217
1e80: c3f5c300 00000000 00000190 d24e4da2 00989680 c0800000 c0802084 00000082
1ea0: c0801eb8 c0802080 c07289c0 00000100 0000000a c0101489 00000000 c3f5c300
1ec0: c03a7799 00200002 00022b6c 00000002 40000001 00000001 c0800000 00000000
1ee0: 00000000 c0c0c000 00000001 c081e514 c0800000 50c5387d 00000000 c011202f
1f00: 0000004a c0139e83 c0801f38 c0801f38 c07282d8 c0804124 c4802000 c010134f
1f20: c0105fd2 40000033 ffffffff c0801f6c 00000001 c0100b65 002276e0 00000000
1f40: 002276e0 c010cd61 c0800000 00000001 c0803e98 c0803edc 00000001 c071a8e0
1f60: 50c5387d 00000000 c080003c c0801f88 c0105fdb c0105fd2 40000033 ffffffff
1f80: 00000051 00000000 00000000 c04dc123 00000000 c0127683 00200002 000000dc
1fa0: c0844558 c0803e40 00000000 c0127837 00200002 c0700adf ffffffff ffffffff
1fc0: 00000000 c0700625 00000000 c071a8e0 d24b477f 00000000 00000000 c07004a8
1fe0: 00000051 10c0387d 00001f41 40000000 410fc075 00000000 00000000 00000000
[] (chnl_timer_isr [ot_chnl]) from [] (call_timer_fn.constprop.0+0x13/0x54)
[] (call_timer_fn.constprop.0) from [] (run_timer_softirq+0x209/0x230)
[] (run_timer_softirq) from [] (do_softirq+0x129/0x17c)
[] (do_softirq) from [] (irq_exit+0x7/0xe)
[] (irq_exit) from [] (handle_domain_irq+0x43/0x64)
[] (handle_domain_irq) from [] (gic_handle_irq+0x53/0x64)
[] (gic_handle_irq) from [] (irq_svc+0x65/0x94)
Exception stack(0xc0801f38 to 0xc0801f80)
1f20: 002276e0 00000000
1f40: 002276e0 c010cd61 c0800000 00000001 c0803e98 c0803edc 00000001 c071a8e0
1f60: 50c5387d 00000000 c080003c c0801f88 c0105fdb c0105fd2 40000033 ffffffff
[] (irq_svc) from [] (arch_cpu_idle+0xc/0x1e)
[] (arch_cpu_idle) from [] (default_idle_call+0x1f/0x28)
[] (default_idle_call) from [] (do_idle+0x7b/0xac)
[] (do_idle) from [] (cpu_startup_entry+0x13/0x14)
[] (cpu_startup_entry) from [] (start_kernel+0x24d/0x2de)
Code: d797 bf88 b57f 4b1e (681b) 9303
—-[ end trace d65edb54c8bf8f61 ]—-
Kernel panic - not syncing: Fatal exception in interrupt
CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Tainted: P D O 5.10.221 #1
Hardware name: HI35XX
[] (unwind_backtrace) from [] (show_stack+0xb/0xc)
[] (show_stack) from [] (dump_stack+0x5f/0x74)
[] (dump_stack) from [] (do_handle_IPI+0x51/0xcc)
[] (do_handle_IPI) from [] (ipi_handler+0xd/0x14)
[] (ipi_handler) from [] (generic_handle_irq+0x19/0x22)
[] (generic_handle_irq) from [] (handle_domain_irq+0x55/0x64)
[] (handle_domain_irq) from [] (gic_handle_irq+0x53/0x64)
[] (gic_handle_irq) from [] (irq_svc+0x65/0x94)
Exception stack(0xc0c63f78 to 0xc0c63fc0)
3f60: 001a178c 00000000
3f80: 001a178c c010cd61 c0c62000 00000002 c0803e98 c0803edc 4000406a 410fc075
3fa0: 00000000 00000000 c0c6203c c0c63fc8 c0105fdb c0105fd2 40000033 ffffffff
[] (irq_svc) from [] (arch_cpu_idle+0xc/0x1e)
[] (arch_cpu_idle) from [] (default_idle_call+0x1f/0x28)
[] (default_idle_call) from [] (do_idle+0x7b/0xac)
[] (do_idle) from [] (cpu_startup_entry+0x13/0x14)
[] (cpu_startup_entry) from [<40101571>] (0x40101571)
—-[ end Kernel panic - not syncing: Fatal exception in interrupt ]—-
请问，是什么原因呢？怎么解决呢